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Condensed Balance Sheets (Parenthetical) - USD ($)
Mar. 31, 2017
Dec. 31, 2016
Allowance For Doubtful Accounts Receivable, Current (in dollars) $ 49,000 $ 49,000
Inventory Valuation Reserves $ 470,000 $ 449,000
Preferred stock, par value (in dollars per share) $ 0.01 $ 0.01
Preferred stock, shares authorized 5,000,000 5,000,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized 50,000,000 50,000,000
Common stock, shares issued 28,842,788 28,842,788
Common stock, shares outstanding 28,842,788 28,842,788